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inessss [21]
2 years ago
9

Simplify -|-5 + 2| someone help quick

Mathematics
1 answer:
nexus9112 [7]2 years ago
5 0

Answer:

-3

Step-by-step explanation:

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Marge drive 290 miles in five hours. Three hours were on the interstate, then the remainder of the trip was on a road that cause
vivado [14]

Marge drove by 66 miles per hour on the interstate

Step-by-step explanation:

Marge drive 290 miles in five hours, her trip has two stages

  1. She drove 3 hours on the interstate
  2. The remainder of the trip was on a road that caused her to reduce her speed by 20 mph

We need to find how fast Marge drove on the interstate

Assume that she drove by speed x miles per hour on interstate

∵ Distance = speed × time

∵ Her speed on the interstate is x mph

∵ The time of interstate is 3 hours

∴ The distance of interstate = x × 3 = 3x miles

∵ The time of the total trip is 5 hours

∵ She spent 3 hours on the interstate

∴ The time of the remainder of the trip = 5 - 3 = 2 hours

∵ She reduced her speed 20 mph for the remainder of the trip

∴ Her speed on the remainder of the trip = x - 20 mph

∴ The remainder distance = (x - 20) × 2

∴ The remainder distance = 2x - 40 miles

∵ The total distance of the trip is 290 miles

- Equate the sum of the two distances above by 290

∴ 3x + 2x - 40 = 290

- Add the like terms in the left hand side

∴ 5x - 40 = 290

- Add 40 to both sides

∴ 5x = 330

- Divide both sides by 5

∴ x = 66

Marge drove by 66 miles per hour on the interstate

Learn more:

You can learn more about speed, time and distance in brainly.com/question/9998060

#LearnwithBrainly

7 0
3 years ago
Need brief explanation about why D is the answer.
IrinaVladis [17]

Answer:  Push factors encourage people to leave their points of origin and settle elsewhere, while pull factors attract migrants to new areas. For example, high unemployment is a common push factor, while an abundance of jobs is an effective pull factor.

Step-by-step explanation:

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3 years ago
Which sample is better for making a prediction? Explain. Sample A: A random sample of 10 customers leaving a store Sample B: A r
andrezito [222]

Answer: Sample B: A random sample of 100 customers leaving a store

Step-by-step explanation: In mathematics and especially when gathering data, you will gather the most accurate results with a larger portion. The larger portion will ensure a more accurate reading.

3 0
2 years ago
Which multiplication expression is equal to 1/4 divided by 1/3
ioda
Um i think that would probably be something like 2.2
4 0
3 years ago
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What type of number are associated with the word debt and why
Galina-37 [17]
Negative numbers because when you are in debt you have less than 0 dollars
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